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//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (C) Lluis Sanchez Gual, 2004
//
#if !FULL_AOT_RUNTIME
using System;
using System.Reflection;
using System.Reflection.Emit;
namespace Mono.CodeGeneration
{
public class CodeMethodCall: CodeExpression
{
CodeExpression target;
CodeExpression[] parameters;
MethodBase method;
CodeMethod codeMethod;
public CodeMethodCall (CodeExpression target, string name, params CodeExpression[] parameters)
{
this.target = target;
this.parameters = parameters;
Type[] types = GetParameterTypes (parameters);
method = target.GetResultType().GetMethod (name, types);
if (method == null) {
throw new InvalidOperationException ("Method " + GetSignature(target.GetResultType(), name, parameters) + " not found");
}
}
public CodeMethodCall (CodeExpression target, MethodBase method, params CodeExpression[] parameters)
{
this.target = target;
this.parameters = parameters;
this.method = method;
}
public CodeMethodCall (CodeExpression target, CodeMethod method, params CodeExpression[] parameters)
{
this.target = target;
this.parameters = parameters;
this.codeMethod = method;
}
public CodeMethodCall (Type type, string name, params CodeExpression[] parameters)
{
this.parameters = parameters;
method = type.GetMethod (name, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static, null, GetParameterTypes (parameters), null);
if (method == null) throw new InvalidOperationException ("Method " + GetSignature(type, name, parameters) + " not found");
}
public CodeMethodCall (MethodInfo method, params CodeExpression[] parameters)
{
this.parameters = parameters;
this.method = method;
}
public CodeMethodCall (CodeMethod method, params CodeExpression[] parameters)
{
this.parameters = parameters;
this.codeMethod = method;
}
Type[] GetParameterTypes (CodeExpression[] parameters)
{
Type[] ts = new Type [parameters.Length];
for (int n=0; n<ts.Length; n++)
ts [n] = parameters[n].GetResultType ();
return ts;
}
string GetSignature (Type type, string name, params CodeExpression[] parameters)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder ();
sb.Append (type.FullName).Append(".").Append(name);
Type[] types = GetParameterTypes (parameters);
sb.Append ("(");
for (int n=0; n<types.Length; n++)
{
if (n > 0) sb.Append (", ");
sb.Append (types[n].FullName);
}
sb.Append (")");
return sb.ToString ();
}
public override void Generate (ILGenerator gen)
{
if (codeMethod != null)
CodeGenerationHelper.GenerateMethodCall (gen, target, codeMethod, parameters);
else
CodeGenerationHelper.GenerateMethodCall (gen, target, method, parameters);
}
public override void GenerateAsStatement (ILGenerator gen)
{
Generate (gen);
if (GetResultType () != typeof(void)) gen.Emit (OpCodes.Pop);
}
public override void PrintCode (CodeWriter cp)
{
MethodBase met = method != null ? method : codeMethod.MethodInfo;
if (!object.ReferenceEquals (target, null))
target.PrintCode (cp);
else
cp.Write (met.DeclaringType.FullName);
cp.Write (".");
cp.Write (met.Name).Write (" (");
for (int n=0; n<parameters.Length; n++) {
if (n > 0) cp.Write (", ");
parameters[n].PrintCode (cp);
}
cp.Write (")");
}
public override Type GetResultType ()
{
if (codeMethod != null) return codeMethod.ReturnType;
else if (method is MethodInfo) return ((MethodInfo) method).ReturnType;
else return typeof (void);
}
}
}
#endif
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